3 R9 290, sgminer.exe stops working

[tyrone3]

Hallo,

I have 3 Sapphire R9 290, i am running them on windows7 and 6gb of ram.
first i tried cgminer 3.7.2 and know i have sgminer4.1, but at each of them i have the same problem.
First everything works fine, but after a while the program is just closing, sometimes it happens after a minute and my record is 12hours, but i cant restart it all the time.
has anyone a clue whats wrong with it?
btw i have the latest amd drivers installed.
on the pictures you can see some configs.
https://www.dropbox.com/s/r8517dtj2n2rd47/config.PNG
https://www.dropbox.com/s/5d0vdpxd704lcvv/cg.PNG
i just lowered the intensity because i thought maybe thats the problem, but it makes no difference.

Please help me

edit: i first mined litecoins and now i try my luck at doge, but it has nothing to do with my problem.

[Autodidact]

I've had a lot of similar issues.  Try lowering engine, memory, and intensity.  My magic running numbers are engine 900 memory 1475 intensity 24550, powertune 20 and intensity 19.  Work your way up!  Start low and run for 24 hours before you make increases!

You would rather it run all night at a low setting than run a high setting for 4 hours and crash in the middle of the night right?!

[tyrone3]

i try your settings over night, thank you.

but i dont think that this is the problem, why can other people mine at 950khs and my sgminer breaks when i go up to 900?

edit: my cards never get hotter than 80C because i have them in a room with 0-5C.